It seems that the Pull Request (PR) you referenced is currently undefined, meaning there are no specific details provided regarding its content, changes, or purpose.

For a summary suitable for an advanced developer, we typically include the following elements:

  1. Overview: A brief description of what the PR aims to address or improve in the Thanos project.
  2. Key Changes: A list of significant changes made in the PR, including any new features, bug fixes, or refactoring involved.
  3. Motivation: The reason behind these changes—what problems they solve, performance improvements, or enhancements to user experience.
  4. Impact: Any potential implications these changes might have on existing functionality, performance, or compatibility.
  5. Testing: How the changes were tested, including any new tests added or existing tests modified.
  6. Related Issues or PRs: Links or references to any related GitHub issues or prior PRs that are relevant to this submission.

If you can provide more specific information or context regarding the Pull Request, I would be happy to help you create a detailed summary.